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CVE-2026-14287— TenWeb Speed Optimizer < 2.33.5 - Unauthenticated Stored XSS via Critical CSS Token Bypass

Quick assessment

Affected
Unknown 10Web Booster
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 10Web Booster WordPress 插件版本低于 2.33.5 中，未经验证的请求处理器未能正确验证访问令牌，并且未对用户提供的样式表内容进行转义就直接将其渲染到页面头部，这允许未经认证的攻击者存储可在访问受影响页面的匿名访客浏览器中执行 JavaScript 的恶意标记。

AI Predicted 9.8 Difficulty: Easy EPSS 0.17% · P6

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown 10Web Booster < 2.33.5 affected
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I. Basic Information for CVE-2026-14287

Vulnerability Information
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Vulnerability Title
TenWeb Speed Optimizer < 2.33.5 - Unauthenticated Stored XSS via Critical CSS Token Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
The 10Web Booster WordPress plugin before 2.33.5 does not correctly validate an access token on an unauthenticated request handler and does not escape attacker-supplied stylesheet content before rendering it into the page head, allowing an unauthenticated attacker to store markup that executes as JavaScript in the browser of anonymous visitors to an affected page.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown 10Web Booster 0 ~ 2.33.5 -

II. Public POCs for CVE-2026-14287

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III. Intelligence Information for CVE-2026-14287

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Vendor Advisories for CVE-2026-14287 (1)

Same Patch Batch · Unknown · 2026-08-19 · 38 CVEs total

CVE-2026-18779 TrueBooker Appointment Booking < 1.2.7 - Unauthenticated Appointment and Payment Record De
CVE-2026-17565 Animation Addons for Elementor < 2.7.2 - Unauthenticated Server-Side Request Forgery
CVE-2026-18466 WP Maps < 4.9.8 - Subscriber+ Unlimited Autoloaded Option Creation
CVE-2026-18051 W3 Total Cache < 2.10.5 - Unauthenticated Arbitrary Directory File Write and .htaccess Ove
CVE-2026-18231 WP Directory Kit < 1.5.7 - Unauthenticated User Email Disclosure via select_2_ajax_user
CVE-2026-18202 JetEngine < 3.8.14 - Author+ Stored XSS via SVG Upload
CVE-2026-18776 TrueBooker Appointment Booking < 1.2.7 - Unauthenticated Account Takeover via Multiple AJA
CVE-2026-18778 TrueBooker Appointment Booking < 1.2.7 - Unauthenticated Customer PII Disclosure via Multi
CVE-2026-18777 TrueBooker Appointment Booking < 1.2.7 - Unauthenticated Arbitrary Appointment Status Chan
CVE-2026-18937 Broken Link Checker < 2.4.12 - Unauthenticated RCE via Query Variable Injection
CVE-2026-18031 TabaPay Gateway <= 1.4.0 - Unauthenticated Account Takeover via Payment Callback
CVE-2026-19055 ProSolution WP Client < 2.0.11 - Reflected XSS via Multiple Parameters
CVE-2026-19709 Membership For WooCommerce < 3.1.2 - Unauthenticated Member Data Disclosure via REST Consu
CVE-2026-19056 ProSolution WP Client < 2.0.11 - Reflected XSS via 'page' Parameter
CVE-2026-19416 KiviCare < 4.5.4 - Patient+ Cross-Patient Appointment Modification via IDOR
CVE-2026-19406 Easy Appointments < 4.0.1 - Contributor+ Sensitive Information Disclosure via REST Appoint
CVE-2026-19417 KiviCare < 4.5.4 - Patient+ Arbitrary Media Attachment Read via IDOR
CVE-2026-19782 WPS Bidouille < 1.33.5 - Subscriber+ User Email Disclosure via wps_get_users
CVE-2026-19842 SAML Single Sign On 4.8.85 - 5.4.6 - Unauthenticated Administrator Account Takeover via SA
CVE-2026-14861 User Verification <= 2.0.47 - Unauthenticated Arbitrary Account Lockout via IDOR

Showing top 20 of 38 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: 10Web Booster
Same vendor: Unknown

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